package argent;

public class Essai {

	private int val;

	public int getVal() {
		return val;
	}

	public void setVal(int val) {
		this.val = 2* val;
	}

	public Essai(int val) {
		super();
		this.val = val;
	}
	
	public double inv() {
		return 1/val;
	}

}
